Growth model of the reared sea urchin Paracentrotus ... - SciViews

Table of contents
TABLE OF CONTENTS
ACKNOWLEDGEMENTS.............................................................................. 3
ABSTRACT.................................................................................................. 5
RESUME ..................................................................................................... 7
TABLE OF CONTENTS................................................................................. 9
LIST OF FIGURES...................................................................................... 13
LIST OF TABLES ....................................................................................... 17
LIST OF EQUATIONS................................................................................. 19
LIST OF SYMBOLS .................................................................................... 23
FOREWORD.............................................................................................. 29
GENERAL INTRODUCTION ....................................................................... 31
Economical interest of sea urchins .........................................................................32
a. Sea urchin markets and fisheries .........................................................................32
b. Aquaculture potentials .........................................................................................34
Overview of the biology of Paracentrotus lividus ..................................................35
Growth models .........................................................................................................42
a. The exponential curve, a simple Malthusian growth model ................................42
b. The logistic function for asymptotic growth ........................................................44
c. The Gompertz model, an asymmetrical sigmoidal curve .....................................45
d. The von Bertalanffy curves ..................................................................................46
e. The Richards model, a flexible curve that contains many others.........................47
f. The Weibull model, a polyvalent and flexible function.........................................48
g. The Jolicoeur curve, another flexible model........................................................49
h. The Johnson model, a heavily asymmetrical sigmoid..........................................50
i. The Preece-Baines 1 model for human growth.....................................................51
j. The Tanaka model for indeterminate growth........................................................51
Modelling sea urchins growth.................................................................................52
a. Choice of the growth model for sea urchins ........................................................53
b. Fitting of growth models on real data for echinoids ...........................................56
AIM OF THE THESIS.................................................................................. 61
PART I: SET UP OF AN EXPERIMENTAL REARING PROCEDURE FOR
ECHINOIDS ............................................................................................... 65
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